string = "万过薪月,员序程马黑来,nohtyp学"
new_String = string[9:4:-1]
#先倒序，再对倒序的序列进行截断
new_String=string[::-1][9:14]
#先截取再倒序
new_String=string[5:10][::-1]
print(new_String)
new_String = string.split(",")
print(new_String[1].replace("来", "")[::-1])
